Add 45/90 and 56/28
1st number: 45/90, 2nd number: 2 0/28
45/90 + 56/28 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
45/90 = 45 × 14/90 × 14 = 630/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
56/28 = 56 × 45/28 × 45 = 2520/1260 - Add the two like fractions:
630/1260 + 2520/1260 = 630 + 2520/1260 = 3150/1260 - 3150/1260 simplified gives 5/2
- So, 45/90 + 56/28 = 5/2
In mixed form: 21/2
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